<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="style..css">
    <style>
        p{
            font-size: large;
            color: brown;
        }
        /*这是css注释*/
        .one{
            font: 100;
            color: aquamarine;
        }
        .two{
            font-size: x-large;
            color: brown;
        }
        .three{
            font-size: larger;
        }
        #text01{
            color: red;
        }
        #text02{
            color: green;
        }

    </style>
</head>
<body>
    <p style="color: blue; font-size: xx-large;">
        这是一个段落
    </p>
    <div class="one">这是一</div>
    <div class="two">这是二</div>
    <div class="one three">这是三</div>
    <div class="two">这是四</div>
    <div id="text01">这是ID1</div>
    <div id="text01">这是ID2</div>
</body>
</html>